Table 1.
Clinical and metabolic parameters (mean ± SD)
| Variables | NIV- (N = 55) | NIV+ (N = 55) | p |
|---|---|---|---|
| Age (years) | 77.5 ± 8.8 | 77.6 ± 10.7 | 0.94 |
| Gender (M/F) | 29/26 | 28/27 | 0.85 |
| Glucose (mg/dl) | 142.3 ± 48.9 | 156.2 ± 76.5 | 0.26 |
| Serum Uric Acid (mg/dl) | 6.3 ± 2.0 | 6.6 ± 2.6 | 0.60 |
| Serum Albumin (g/dl) | 3.3 ± 0.5 | 2.9 ± 0.5 | <0.001 |
| C-Reactive-Protein (mg/l) | 76.9 ± 75.7 | 27.4 ± 34.4 | 0.039 |
| Serum Creatinine (mg/dl) | 1.08 ± 0.58 | 1.29 ± 0.88 | 0.14 |
| GFR (MDRD ml/min/1.73 m2) | 71.8 ± 32.0 | 72.7 ± 49.3 | 0.91 |
| HR (bpm) | 83.8 ± 12.7 | 93.6 ± 13.6 | <0.001 |
| SBP (mmHg) | 124.1 ± 17.0 | 120.0 ± 17.9 | 0.21 |
| DBP (mmHg) | 74.2 ± 9.9 | 72.5 ± 10.2 | 0.38 |
| PaO2 (mmHg) | 58.4 ± 13.5 | 60.2 ± 16.2 | 0.54 |
| PaO2/FiO2 | 255.9 ± 38.6 | 200.2 ± 57.6 | <0.001 |
| pH | 7.42 ± 0.05 | 7.29 ± 0.11 | <0.001 |
| PaCO2 (mmHg) | 50.5 ± 5.5 | 75.5 ± 19.8 | <0.001 |
| Lactate (mmol/L) | 1.38 ± 0.68 | 2.01 ± 1.76 | 0.017 |
| Serum HCO3− (mmol/L) | 32.6 ± 5.5 | 36.0 ± 10.1 | 0.036 |
| Serum Na+ (mmol/L) | 138.6 ± 3.9 | 139.1 ± 6.9 | 0.63 |
| Serum K+ (mmol/L) | 4.4 ± 0.6 | 4.7 ± 0.8 | 0.037 |
| Serum Ca++ (mmol/L) | 8.6 ± 0.6 | 8.4 ± 0.8 | 0.12 |
| Serum Mg+ (mmol/L) | 1.96 ± 0.32 | 1.89 ± 0.32 | 0.24 |
| Serum Cl− (mmol/L) | 99.4 ± 3.9 | 96.6 ± 8.1 | 0.030 |
GFR Glomerular Filtration Rate, MDRD Modification of Diet in Renal Disease